(19)
(11)
EP 2 139 637 A1
(12)
(43)
Date of publication:
06.01.2010
Bulletin 2010/01
(21)
Application number:
08742188.9
(22)
Date of filing:
21.03.2008
(51)
International Patent Classification (IPC):
B23K
26/00
(2006.01)
F16J
15/34
(2006.01)
(86)
International application number:
PCT/US2008/003741
(87)
International publication number:
WO 2008/115577
(
25.09.2008
Gazette 2008/39)
(84)
Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
(30)
Priority:
21.03.2007
US 919304 P
(71)
Applicant:
Flowserve Management Company
Irving, TX 75039 (US)
(72)
Inventor:
YOUNG, Lionel
Murrieta, California 92591 (US)
(74)
Representative:
Vleck, Jan Montagu
Reddie & Grose 16 Theobalds Road
London WC1X 8PL
London WC1X 8PL (GB)
(54)
LASER SURFACE TREATMENT FOR MECHANICAL SEAL FACES